DeleteOne function

mongox/common/deleteone.go

@@ -0,0 +1,34 @@
+package common
+
+import (
+	"github.com/mainnika/mongox-go-driver/mongox"
+	"github.com/mainnika/mongox-go-driver/mongox/errors"
+	"github.com/mainnika/mongox-go-driver/mongox/query"
+	"github.com/mongodb/mongo-go-driver/mongo"
+	"github.com/mongodb/mongo-go-driver/mongo/options"
+)
+
+// DeleteOne removes a document from a database and then returns it into target
+func DeleteOne(db *mongox.Database, target interface{}, filters ...interface{}) error {
+
+	collection := db.GetCollectionOf(target)
+	opts := &options.FindOneAndDeleteOptions{}
+	composed := query.Compose(filters...)
+
+	opts.Sort = composed.Sorter()
+
+	result := collection.FindOneAndDelete(db.Context(), composed.M(), opts)
+	if result.Err() != nil {
+		return errors.InternalErrorf("can't create find one and delete result: %s", result.Err())
+	}
+
+	err := result.Decode(target)
+	if err == mongo.ErrNoDocuments {
+		return errors.NotFoundErrorf("%s", err)
+	}
+	if err != nil {
+		return errors.InternalErrorf("can't decode result: %s", err)
+	}
+
+	return nil
+}